Skip to content
ECU resets 2026 firmware

PARK UDS ECU Reset

Gen3/tasks/TEST-RESET_PARK

Model 3 / YModel S / X (2021+)

What this task does

Resets the Parking Brake (PARK) Electronic Control Unit (ECU). Reset is executed via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

Vehicle & firmware coverage

Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.

Model 3 / Y AMD · Firmware 2026.32.3
Vehicle coverage
2024+ Model 3, 2025+ Model Y, Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Task inputs (0)

No user inputs are listed in this firmware.

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Task inputs (0)

No user inputs are listed in this firmware.

Model S / X (2021+) AMD · Firmware 2026.20.6.1
Vehicle coverage
2021+ Model S, 2021+ Model X
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Description in this firmware

Performs a Unified Diagnostic Services (UDS) reset of the parking brake (PARK) Electronic Control Unit (ECU).

Task inputs (0)

No user inputs are listed in this firmware.

Related service tasks

Browse all tasks →
Self-tests

USS Front Sensor Connectivity Test

Tests the connectivity of the Ultrasonic Sensors (USS) in the front fascia.

TEST-SELF_PARK_FRONT_FASCIA-USS

Model 3 / Y Model S / X (2021+)
Self-tests

USS Party CAN Communication Test

Tests the communication of the Ultrasonic Sensors (USS) over the party CAN bus.

TEST-SELF_PARK_X_CAN-TESLA-USS

Model 3 / Y Model S / X (2021+)
Self-tests

USS Rear Sensor Connectivity Test

Tests the connectivity of the Ultrasonic Sensors (USS) in the rear fascia.

TEST-SELF_PARK_REAR_FASCIA-USS

Model 3 / Y Model S / X (2021+)